hmody627 hmody627
  • 11-11-2017
  • Biology
contestada

Normally, only female cats have the tortoiseshell phenotype because _____

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andriansp andriansp
  • 21-11-2017
The answer to this question would be: a male inherits only one allele of the X-linked gene controlling hair color

Tortoiseshell phenotype appears when a cat has two different X-linked gene that controls hair color. This result as a combination of hair color. Male cat sex gene is XY. Normally male cat only has 1 X gene, thus only have 1 color and can't have tortoiseshell phenotype unless there is pathological multiplication in X gene.
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